Fast Facts Ferns use both sexual and asexual reproduction methods. In apogamy, a sporophyte grows into a gametophyte without fertilization occurring.
Ferns use this as a method of quick reproduction. Ferns use this method of reproduction when conditions are too dry to permit fertilization. Asexual methods of reproduction include apogamy, poliferous frond tips, and rhizome spreading.
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Not all fronds and pinnae have spores.
The sporophyte produces spores, completing the life cycle. The zygote grows via mitosis into the diploid sporophyte, completing the life cycle.
Basic Fern Anatomy Ferns don't have seeds or flowers.
Spores are encased in structures called sporangia, which sometimes clump together to form a sorus plural sori. The fertilized egg remains attached to the prothallus.
While they have veins that permit the flow of water and nutrients like conifers and flowering plants, their life cycle is very different. A fern's spores don't grow into leafy sporophyte. Helmenstine holds a Ph.